Repository pattern in laravel

RepositoryInterface.php

<?php 

namespace App\Contracts\Repository;

interface IRepository
{
	/**
	 * Get all
	 * @param  array  $columns 
	 * @return mixed
	 */
	public function all($columns = ["*"]);

	/**
	 * Paginate all
	 * @param  integer $perPage
	 * @param  array   $columns
	 * @return mixed
	 */
	public function paginate($perPage = 15, $columns = ['*']);

	/**
	 * Create new model
	 * @param  array  $data 
	 * @return mixed       
	 */
	public function create($data = []);

	/**
	 * Update model by the given ID
	 * @param  array  $data
	 * @param  integer $id  
	 * @param  string $attribute
	 * @return mixed      
	 */
	public function update($data = [], $id, $attribute = 'id');

	/**
	 * Delete model by the given ID
	 * @param  integer $id
	 * @return boolean    
	 */
	public function delete($id);

	/**
	 * Find model by the given ID
	 * @param  integer $id      
	 * @param  array  $columns 
	 * @return mixed
	 */
	public function find($id, $columns = ['*']);

	/**
	 * Find model by a specific column
	 * @param  string $field  
	 * @param  mixed $value  
	 * @param  array  $columns
	 * @return mixed
	 */
	public function findBy($field, $value, $columns = ['*']);
}